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Instruction/data protection employing derived obscuring instruction/data

  • US 7,000,119 B1
  • Filed: 04/20/2000
  • Issued: 02/14/2006
  • Est. Priority Date: 04/20/2000
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method for protecting a sequence of computer instructions comprising:

  • preparing first obscuring instructions having associated identification codes;

    serializing the sequence of computer instructions;

    transforming a first set of the obscuring instruction identification codes associated with some or all of the first obscuring instructions to generate a second set of obscuring instruction identification codes;

    generating second obscuring instructions using the second set of obscuring instruction identification codes; and

    injecting the second obscuring instructions into the serialized sequence of computer instructions.

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